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Kicker 41KSC684

5"x7"/6"x8" 2-way speakers

47 Reviews | 1 question - 2 answers

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Item # 20641KS684

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Our take on the Kicker 41KSC684

These KS Series speakers are some of the most installation-friendly Kicker speakers yet. These low-profile speakers feature a reduced mounting depth, making them a match for almost any car.

Kicker 41KSC684

Slim fit

These KS Series speakers are some of the most installation-friendly Kicker speakers yet. These low-profile speakers feature a reduced mounting depth, making them a match for almost any car.

Pump up the volume

While the low profile is an elegant asset, you'll find the real beauty of Kicker's KS Series speakers inside. The 41KSC684's highly sensitive design conjures hefty volume even from low-powered factory radios. So, you'll be able to enjoy every bit of their natural sound, starting with a full midbass and midrange experience from the 6"x8" polypropylene woofer and its powerful magnet. You'll also hear subtle vocal and instrumental details from the silk dome tweeter, giving your music a dimension that factory speakers just can't manage.


  • 2-way car speakers (pair)
  • 6"x8" (5"x7") polypropylene woofer cone with rubber surround
  • 3/4" silk dome tweeter
  • power range: 2-75 watts RMS (150 watts peak power)
  • frequency range: 45-21,000 Hz
  • sensitivity: 90 dB
  • top-mount depth: 2-5/16"
  • impedance: 4 ohms
  • grilles not included
  • warranty: 1 year
  • Our 60-day money-back guarantee

What's in the Box:

  • Two 2-way speakers
  • Two 11" Lengths of speaker wire (tinned wire on one end and female quick slides on the other)
  • 4 Red plastic butt connectors
  • Eight 1-1/8" Self-tapping screws
  • 8 Speed clips
  • Owner's manual (English/ Spanish/ German/ French)

Featured Video:

Excellent speakers and definitely improved the sound quality im my f250. Easy installation and a direct fit.!!!

Anonymous, Rockwall, TX


Kicker 41KSC684 Reviews

Average Customer Review(s):

(47 Reviews)

Kicker 41KSC684

Anonymous from Rockwall, TX on 1/16/2017

2012 Ford F-250
Crutchfield Customer Review (What's this?)

Excellent speakers and definitely improved the sound quality im my f250. Easy installation and a direct fit.!!!



Very Happy!

Bob from Reno, NV on 1/9/2017

2001 Ford F-250 Super Duty
Crutchfield Customer Review (What's this?)

Sound great in my truck. Don't require a ton of power. Easy installation. Didn't break the bank. I bought one pair "scratch and dent" and the other pair as "open box." Both were just fine.



Kicker 41KSC684

Josh from Las Vegas, NV on 1/5/2017

2010 Ford F-150 FX4
Crutchfield Customer Review (What's this?)

Great sounding speakers, easy install instructions! Installed in 2010 F150 FX4 crew cab. Major improvement to sound quality just not great bass but not speakers fault!! Will add amp and sub in the future!!!

Pros: Ez install, great fit, increased sound clarity

Cons: None

Kicker Kicks!!!!!

Mike from Hayes, Virginia on 1/2/2017

2016 Ford F-250 Super Duty
Crutchfield Customer Review (What's this?)

I purchased these to replace the stock door speakers in my 2016 F-250. Very easy plug and play install. Increased the high end response from my stock head unit a lot. Not a lot of increased bass response, but I need to upgrade from the stock sub to achieve that. If you are looking for more head room from your system as you plan to install a amp down the road, these are a fantastic upgrade. They also boost your treble response from your stock head unit with no added amp.

Pros: Excellent plug and play!!!

Cons: None

Loud, clear with good bass!

DarkSunRider from Erlanger, KY on 1/1/2017

2008 Mazda 3
Crutchfield Customer Review (What's this?)

I bought these speakers for my son's 2008 Mazda 3. I received these along with the Kicker 5-1/4 front speakers with for which I will review on another post. But once we received these, we installed them in less than a hour. They were an exact fit. Once we installed everything, my son was absolutely excited and happy on how crisp, clear, and loud the speakers were. I'm not an audio enthusiast but it was so loud and clear. Keep in mind, these were bought with the 5-1/4 front speakers (Kicker 41KSS54) for which we also installed. Both these sets of speakers with front crossovers and tweeters and rear 6x8's were recommended by a Crutchfield rep named Allen through a chat. This was after I was on Crutchfields website for about 2 hours trying to figure out what to buy my son. Allen recommended these speakers and I'm glad he did. My son is very happy and that makes me happy that I chatted with Allen. It's really loud and clear. He said they were miles ahead of his factory speakers. I'm now thinking of getting my other son a receiver for his Camry and a receiver and speakers for my Toyota 4runnner. Thank you Allen, and thank you Crutchfield.

Pros: Great fit with no modifications.

Cons: none.. went right in.

Kicker 41KSC684

Greg from Gainesville, GA on 12/2/2016

2016 Ford F-150 XLT
Crutchfield Customer Review (What's this?)

Great sounding speakers



Kicker 41KSC684

Anonymous from Nantucket, MA on 11/27/2016

2009 Ford F-150 XLT
Crutchfield Customer Review (What's this?)

Sound great. Such an easy install for awesome sound. Literally plug and play.

Pros: Easy install

Cons: None

Kicker 41KSC684

Anonymous from Irving, TX on 11/17/2016

2012 Ford F-150 Raptor
Crutchfield Customer Review (What's this?)

2012 Raptor. They sound great. So many women try to get in my truck now with these speakers.



Great upgrade

Chris from Charlotte NC on 11/16/2016

2012 Ford Taurus
Crutchfield Customer Review (What's this?)

REALLY cleared up the mids and highs from the stock Sony system in my Taurus SHO. I bought four of these - one for each door. Mids and highs are crystal clear now even with the stock HU and amp. Easy bang for the buck upgrade.

Pros: Clarity in the mid and high range Good value to $$$ ratio

Cons: Uncertain about bass performance but that's because the stock stereo routes bass elsewhere.


jake from wyoming on 9/19/2016

2002 Ford F-250 Super Duty
Crutchfield Customer Review (What's this?)

These speakers were a definite upgrade to the stock speakers

Pros: Big boost in bass.


Kicker speakers

Rick from Panama City, FL on 8/28/2016

2005 Ford F-150
Crutchfield Customer Review (What's this?)

These speakers rock the truck! They are so much better than the stock ones it's amazing!

Pros: Great sound, highs and low are clear and crisp!

Cons: There is 6 screw tabs, had to bend two up to install them.

Kicker truck speakers 41KSC684 Great midrange.

TNTRUCK from Old Hickory, TN on 6/27/2016

2011 Ford F-150 XLT
Crutchfield Customer Review (What's this?)

Great clean sound. Direct bolt in with no fuss. Should purchased and installed a long time ago.

Pros: Price Quality speakers

Cons: None

Improved Sound Quality

Bobertpro from Novato, CA on 6/27/2016

2005 Ford Freestyle
Crutchfield Customer Review (What's this?)

Bought these for the rear doors as one of the originals started buzzing. Not only did it fix the problem but the the sound quality was noticeably improve.

Pros: Easy install and improved sound.

Cons: I had to pay for them :)

Great bass

Basshead from Wisconsin on 6/3/2016

2008 Ford Fusion

These speakers are super clear and nice just make sure your connections are tight I blew 2 of mine in less than a year because of that and I will be buying them again when lows hit with these door speakers it will actually flex my doors enjoy them they are wonderful door speakers



Happy with them!

Steve K from Aston, PA on 4/18/2016

2006 Ford Mustang
Crutchfield Customer Review (What's this?)

I'm happy with these speakers that replaced the rear deck speakers of my 2006 mustang GT.



Speaker Performance

Riverado from Tucson, AZ on 4/7/2016

2015 Ford F-150 XLT
Crutchfield Customer Review (What's this?)

Speaker have a really good sound. not as much bass as I was expecting. I may need to add an extra subwoofer to my car.



Way better than stock

Michael from Papillion, NE on 4/6/2016

2014 Ford F-150 XLT
Crutchfield Customer Review (What's this?)

I was really unhappy with the junk factory speakers in my F150. I Picked these up on recommendation from a tech assistant here on Crutchfield. Much brighter sound and actually have some bass over the factory speakers. Installed all four in an hour.

Pros: Easy install. Good sound.

Cons: None at this time.

Kicker speakers

Cp from oklahoma city, OK on 2/17/2016

Much better than stock with factory radio. Installing a Kenwood this weekend. Will see how they perform after that.

Pros: Cost. Better than factory.

Cons: None yet.

Nice quality speaker for a nice price

TC from Kalamazoo, MI on 2/5/2016

1979 Ford Fairmont
Crutchfield Customer Review (What's this?)

I bought these speakers to go into an older Ford model that commonly used this size speaker, They installed nicely and fit within the stock locations perfectly. I installed these with a 50W per channel RMS amp. They do mids and highs really well, but the dimensions just aren't big enough for good bass production. After installing these I wound up adding a subwoofer in order to complete the audio spectrum. These speakers do their part and I'm really pleased with the end result, but don't expect these to produce bass.

Pros: Fits in stock location well for these sized speakers. They're a nice quality speaker. Covers mids & highs really well. Reasonably priced.

Cons: Not good at reproducing low frequency sound.

Kicker ksc68

Mike from warren, MI on 1/20/2016

I had given these a try and I am actually glad that I did. I have never owned these speakers and they have completed my system. The music is very much clearer than other's that I have owned. The highs the lows and the mids highly compliments the sound. I listen to heavy metal and the sound from these are phenomena l.these speaker's will not disappoint

Pros: Quality sound

Cons: None

kickers speakers

DonM from Pennsylvania on 1/4/2016

Crutchfield Customer Review (What's this?)

First off the salesperson was the greatest,very knowledgeable about what he was selling. Speakers are still made good just like my first ones that i purchased twenty five years ago,Thanks highly recommend

Pros: Everything fit perfect very easy installation

Cons: None

great speakers,better price

hank from Pennsylvania on 12/29/2015

2004 Ford Taurus SE
Crutchfield Customer Review (What's this?)

Got these for my son's car for Christmas. Easy install. Sounds awesome. I love Crutchfield, you guys gave me everything i needed to put these in. I will never buy electronics from a box store again. I'll be back.

Pros: Sound Price

Cons: None

Good speakers, easy install

James S. from Houston, TX on 11/19/2015

2012 Ford F-150 XLT
Crutchfield Customer Review (What's this?)

I installed four of these speakers into my 2012 F-150 XLT Supercrew. Installation was easy and straight forward and the wiring harnesses make it simple, just plug and play. The speakers are superior quality to the OEM speakers. Clarity is good. Bass in the mids is good, but a little lacking in the low. I plan to install the Sound Ordnance compact sub shortly after Christmas to give it that extra bump.

Pros: Easy install, plug and play, superior sound

Cons: None

kickers ks 41ksc684

Anonymous from Atlanta Ga on 10/28/2015

Crutchfield Customer Review (What's this?)

Great speaker easy to install great price



2011 F150 Limited

Ryno918 from Oklahoma on 9/12/2015

2011 Ford F-150 Lariat
Crutchfield Customer Review (What's this?)

At higher volumes with bass the stock speakers have major fade. My other car has KS 6x9's and 6" kickers in it with a 12" sub and decided after reading other reviews to give these a try. Have to say it's 100% better. The bass, the mids. Was a great choice. WILL recommend these to my other friends with F150's..

Pros: Easy installation. Best hour I have spent Installing 4 speakers.

Cons: Drivers door was a pain was all.

Kicker 41KSC684

Anonymous from Elkhart ks on 8/29/2015

2009 Chevrolet Silverado 2500/3500
Crutchfield Customer Review (What's this?)

Good speakers for the price



Great improvement over factory

Zdad from Arkansas on 8/18/2015

2011 Ford F-150 Raptor
Crutchfield Customer Review (What's this?)

Plug, play and be impressed by the difference. The stock Sony speakers in my F150 had no midrange whatsoever, so I got these and I'm surprised by the amount of solid bass they have as well as the improved midrange. Great purchase.

Pros: Easy install

Cons: no "kicker" badges to replace the sony badges on my doors.

Quick fix for OEM

jG from Arkansas on 8/13/2015

Quick and painless upgrade to OEM that makes a serious improvement in sound quality. With the included wiring harness adapters, the hardest part was getting to the screw behind the door handle. I got a set of 4 installed after work and noticed a huge difference as soon as I turned the music back on. Very satisfied!

Pros: Easy install. Great sound quality for the price.

Cons: Um... no optional foam "spacers" for the front. That's purposely LOOKING for a con, though.

Awesome upgrade

Randy G. from Michigan on 7/11/2015

2013 Ford F-150 Lariat
Crutchfield Customer Review (What's this?)

Great upgrade over factory speakers . Truly a plug and play install. Quick install with the great instructions provided.

Pros: Good Price, easy instal

Cons: None

Great sound

Chris J from West Virginia on 6/21/2015

2013 Ford Mustang
Crutchfield Customer Review (What's this?)

These speakers are as advertised. No tweeters needed with this set of speakers.

Pros: Great highs and lows. The sound is pure. A great purchase.

Cons: none.

will not buy kicker anymore

dw from ont on 6/17/2015

Had these kickers in for 6 months before I replaced them they are terrible speakers. The head unit was only putting out 25w RMS and that was too much for these speakers. Poor sound as well.



Kicker 41KSC684 2011 FX4 F150

Rich from Pittsburgh, PA on 6/13/2015

Crutchfield Customer Review (What's this?)

Easy to install, good sound for a simple replacement speaker.(Just using radio power). A subtle increase in sound quality, but for the money, a pair, this is to be expected.

Pros: Good value, works as advertised. Very simple, drop-in install.

Cons: None.

Great speaker

Bailey from Woodstown NJ on 5/18/2015

1998 Ford Explorer
Crutchfield Customer Review (What's this?)

These speakers are some of the clearest that I've put in my truck. They are very clear with no distortion when given the power that they need.

Pros: Clear Fit two sizes 5x7 and 6x8 Good bass if that's what you want but are great for mids and highs also


Kicker 41ksc684

Cade from Richmond, texas on 5/14/2015

2013 Ford F-150 XLT
Crutchfield Customer Review (What's this?)

I installed these speakers in all 4 doors of my 2013 ford f150 xlt ext cab. They are running off of my factory head unit. They sound louder than my factory speakers but i cant tell a difference in clarity too much. Other than that, i like them a lot.

Pros: loud speakers, great quality

Cons: Not too much more clear than factory speakers

Great quality speakers

JohnDoe from California on 5/5/2015

2012 Ford F-150 XLT
Crutchfield Customer Review (What's this?)

Amazing speakers, great clarity and very easy install.

Pros: Very crisp sound and great range for a great price.

Cons: Nothing so far.

Kicker Replacement Speakers

SCS from Pittsburgh PA on 5/4/2015

2012 Ford F-250
Crutchfield Customer Review (What's this?)

Marginal improvement in sound over the stock speakers. The kickers dropped right in and look good. Would have liked to have more of a sound distinction from the stock offerings.

Pros: Nice package. Easy install.

Cons: Not enough audible distinction from stock.


p from Bulverde, TX on 4/14/2015

2008 Ford F-150
Crutchfield Customer Review (What's this?)

Excellent sound and got free headphones out it too. Awesome.

Pros: Easy install

Cons: None

great speakers

JT from Florida on 3/15/2015

2002 Toyota Tacoma
Crutchfield Customer Review (What's this?)

great speakers for a great price, i love them. thanks crutchfield and your customer service is awesome A++

Pros: price, quality, sound

Cons: none

Kicker KS Speakers

Austin H from Rutherfordton, NC on 3/11/2015

I got these speakers for my 02 Ford Ranger they fit great and they sound great, definitely worth the price, easy install

Pros: Install, Sound, Price

Cons: None at all

Very good speaker for the price

Kevin from Colorado on 2/23/2015

2012 Ford Escape
Crutchfield Customer Review (What's this?)

These are good, solid speakers. Not the top of the line, but for the price they sound great. They're far better than the original equipment speakers - I don't know a lot about speakers, but these weighed a lot more than the originals in my 2012 Escape. The magnet was about four times the size, and the cone is made of a much more durable material - the originals were paper. I'd recommend them to anyone looking to replace the original speakers with something that sounds much, much better but doesn't cost an arm and a leg. I was replacing a blown speaker and these were a definite upgrade over the originals.

Pros: Magnet is much larger and heavier than originals. Cone is much more durable. Installation was pretty easy - these speakers fit exactly in place of the originals in a 2012 Escape front door. Sound much better than the originals.

Cons: Can't think of any.

Worth the price

Jose from Arizona on 1/5/2015

1998 Mercury Grand Marquis
Crutchfield Customer Review (What's this?)

These speakers sound better than factory speakers, but just marginally. Don't expect deep bass and cirspy highs

Pros: Easy to install

Cons: None

good factory replacement

Anonymous from Caldwell idaho on 12/27/2014

2003 Ford Ranger
Crutchfield Customer Review (What's this?)

I usually buy infinity but figured I would buy 2 sets of 6x8's for my 2003 ranger supercab because of a free kicker headphones with the special they were having. I installed them and they sound better but not on the same level as infinity reference I usually buy. I have a jvc aftermarket receiver.

Pros: Good bass response

Cons: Highs seem to be lacking.


Ewa from houston, texas on 10/25/2014

2004 Ford Expedition
Crutchfield Customer Review (What's this?)

Great speakers they really are an improvement from the stock in my ford expedition.



Excellent Quality!

Anonymous from Philadelphia on 10/22/2014

2004 Ford Taurus SES
Crutchfield Customer Review (What's this?)

These speakers were such an upgrade from my factory speakers. I installed them in my Taurus recently, and they were so much easier to install than I imagined. The bass is excellent on them, and you can really hear every single detail in the high notes also. I use them every day and my car and I could not be happier! I highly recommend getting these, and they are very affordable!

Pros: Great bass, detailed treble, powerful, affordable, easy to install

Cons: Maybe make the bass a little more powerful. But it is still very good!

Kicker 41KSC684

Sam from Bonaire, Ga. on 9/23/2014

Crutchfield Customer Review (What's this?)

These Kicker KSC speakers make the stock radio sound 5 times better. Clear highs and much better bass.

Pros: Great speakers for the price. Installation instructions were great.

Cons: none

Solid cheap speakers good OEM improvement

ruth from Ohio on 7/24/2014

2014 Ford F-350
Crutchfield Customer Review (What's this?)

I bought these with a Kicker Hideaway sub for my super duty. These speakers are in the front and are powered with the factory headunit so Im sure they would sound better with a better source/amp but these are a drastic improvement to the OEM speakers. They dropped right in and the harness hooked right up to the factory harness. No splicing or cutting.

Pros: Inexpensive but sounds pretty good

Cons: None

Great product

AC from Beaverton, OR on 6/8/2014

2005 Ford F-150
Crutchfield Customer Review (What's this?)

This was a simple do-it-yourself upgrade with great results.




Hands-on research

Features and Specs

Speaker Size
Design 2-way
Tweeter Design 3/4" Dome
Impedance (Ohms) 4
Tweeter Composition Silk
Woofer Composition Polypropylene
Woofer Surround Rubber
Parts Warranty 1 Year
Labor Warranty 1 Year
Sensitivity (1W at 1 meter) 90
Sensitivity at 2.83 volts N/A
Frequency Response 45 - 21k Hz
Minimum RMS Wattage 2
Maximum RMS Wattage 75
Peak Power Handling (Watts) 150
Top-mount Depth (Inches) 2 5/16
Bottom-mount Depth (Inches) 2 11/16
Cutout Diameter or Length (inches) 0

Product Research


Polypropylene Woofer Cones: The Kicker KS-series speakers feature durable polypropylene woofer cones for power and control. Polypropylene is also resistant to moisture and the temperature extremes found in automotive applications.

Dome Tweeters: The 3/4" silk dome tweeters provide a smooth high frequency response. Silk is lightweight and great for high frequency extension and efficiency. It is also designed for durability in the extreme automotive environment. The tweeters have strong neodymium magnets for higher power handling.

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team. They verify what’s in the box, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

Staff Reviews

Product reviews from the Crutchfield Labs

Kicker's popular KS series of car speakers now employ a silk-dome tweeter for smoother highs, and sport a shallower basket so they'll fit into more vehicles.

What are the Labs?
Q & A

Customer Q&A

1 question already asked

I USED A Infinity Reference 475a WORK'S AND SOUNDS GREAT, 75 WATTS RMS X4. [ KIPP  Aug 11, 2014 ]
Thanks for your question. For information on selecting the best amp I would recommend reaching out to an Advisor by phone (1-800-324-9695) or online chat. They will be able to help determine the differences between the amp models and help you make the best choice for your system. [ Krissy  Jul 18, 2014 ]  Staff